Hamm donned a grey suit paired with a white shirt and a matching tie. He completed his look with horn-rimmed glasses. Pare, who plays his character Don Draper's estranged wife, looked elegant in a tight mini dress that showed her cleavage.

Jones and Moss opted for a casual look with a little black dress. The former teamed her Honor dress with Sigerson Morrison shoes, while the latter paired her Sandro dress with Levi's jacket, Chanel bag and Casedai shoes.

The party which was hosted by Johnnie Walker Scotch Whisky and Brooks Brothers also saw series creator Matthew Weiner among the attendees.

The first part of the seventh and final season of "Mad Men" ended last May, while the second part is scheduled to air in 2015. Filming for the final episodes is currently underway with Big Sur, California as one of the shooting locations.